249989128

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{727}}^1\times {\mathrm{811}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 478820160

約数和(自身を除く): 228831032

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 727, 811, 1454, 1622, 2908, 3244, 5816, 6488, 38531, 42983, 77062, 85966, 154124, 171932, 308248, 343864, 589597, 1179194, 2358388, 4716776, 31248641, 62497282, 124994564, 249989128]

約数ペア:

[(1, 249989128), (2, 124994564), (4, 62497282), (8, 31248641), (53, 4716776), (106, 2358388), (212, 1179194), (424, 589597), (727, 343864), (811, 308248), (1454, 171932), (1622, 154124), (2908, 85966), (3244, 77062), (5816, 42983), (6488, 38531)]